Ring shank



FIG. 1 is a top perspective view of a ring shank illustrating the new design;

FIG. 2 is a bottom perspective view of the ring shank illustrated in FIG. 1;

FIG. 3 is a left side elevational view of the ring shank illustrated in FIG. 1 (the right side elevational view is a mirror image of FIG. 3); and,

FIG. 4 is a front view of the ring shank illustrated in FIG. 1. 

The ornamental design for a ring shank, as shown and described. 